diff --git a/pkgs/by-name/al/altermime/package.nix b/pkgs/by-name/al/altermime/package.nix
index 67b4e2382d39..02bf3fd7c373 100644
--- a/pkgs/by-name/al/altermime/package.nix
+++ b/pkgs/by-name/al/altermime/package.nix
@@ -32,7 +32,7 @@ gccStdenv.mkDerivation rec {
     description = "MIME alteration tool";
     maintainers = [ lib.maintainers.raskin ];
     platforms = lib.platforms.all;
-    license.fullName = "alterMIME LICENSE";
+    license = lib.licenses.sendmail;
     downloadPage = "https://pldaniels.com/altermime/";
     mainProgram = "altermime";
   };